package com.kaifamiao.demo.d0717;


import java.util.Scanner;

public class Demo04 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入年龄：");
        int age = sc.nextInt();

        String str = age >= 18? "你已经成年了" : "小屁孩儿";
        System.out.println(str);
    }
}
